tree d3733ff661cda7c00478348293810b3aeec6a1af
parent 9bf1d83e7ee653862ef740435a7f41e8fd6452a9
author Jarek Poplawski <jarkao2@gmail.com> 1203316279 -0800
committer David S. Miller <davem@davemloft.net> 1203316279 -0800

[AX25] ax25_out: check skb for NULL in ax25_kick()

According to some OOPS reports ax25_kick tries to clone NULL skbs
sometimes. It looks like a race with ax25_clear_queues(). Probably
there is no need to add more than a simple check for this yet.
Another report suggested there are probably also cases where ax25
->paclen == 0 can happen in ax25_output(); this wasn't confirmed
during testing but let's leave this debugging check for some time.

Reported-and-tested-by: Jann Traschewski <jann@gmx.de>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>